Raise more informative errors from CLI

[jsignell]

Related Issue(s):

• Closes Crash on likely non-compliant server #553

Description:

The pystac-client CLI should raise informative errors.

stac-client collections  https://datahub.creodias.eu/stac/

'NoneType' object is not subscriptable
Traceback (most recent call last):
  File "/home/jsignell/pystac-client/pystac_client/cli.py", line 333, in cli
    return collections(client, **args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/jsignell/pystac-client/pystac_client/cli.py", line 57, in collections
    collections_dicts = [c.to_dict() for c in client.get_all_collections()]
                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/jsignell/pystac-client/pystac_client/cli.py", line 57, in <listcomp>
    collections_dicts = [c.to_dict() for c in client.get_all_collections()]
                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/jsignell/pystac/pystac/catalog.py", line 432, in get_all_collections
    yield from self.get_collections()
  File "/home/jsignell/pystac-client/pystac_client/client.py", line 431, in get_collections
    collection = CollectionClient.from_dict(
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/jsignell/pystac-client/pystac_client/collection_client.py", line 84, in from_dict
    result = super().from_dict(d, href, root, migrate, preserve_dict)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/jsignell/pystac/pystac/collection.py", line 637, in from_dict
    extent = Extent.from_dict(d.pop("extent"))
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/jsignell/pystac/pystac/collection.py", line 352, in from_dict
    spatial=SpatialExtent.from_dict(d["spatial"]),
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/jsignell/pystac/pystac/collection.py", line 120, in from_dict
    bboxes=d["bbox"], extra_fields={k: v for k, v in d.items() if k != "bbox"}
           ~^^^^^^^^
TypeError: 'NoneType' object is not subscriptable

PR Checklist:

• Code is formatted
• Tests pass
• Changes are added to the CHANGELOG

[codecov-commenter]

Codecov Report

Patch coverage: 52.38% and project coverage change: +0.62% 🎉

Comparison is base (51f76af) 88.05% compared to head (88be99e) 88.67%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #554      +/-   ##
==========================================
+ Coverage   88.05%   88.67%   +0.62%     
==========================================
  Files          13       13              
  Lines         996      989       -7     
==========================================
  Hits          877      877              
+ Misses        119      112       -7     

Files Changed	Coverage Δ
pystac_client/cli.py	71.06% <52.38%> (+2.99%)	⬆️

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